/*
 * Copyright 2002-2007 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.hasor.jdbc.core;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.Types;
import java.util.Collection;
import net.hasor.jdbc.PreparedStatementSetter;
import net.hasor.jdbc.core.util.StatementSetterUtils;
import net.hasor.jdbc.exceptions.InvalidDataAccessException;
/**
 * Simple adapter for PreparedStatementSetter that applies
 * given arrays of arguments and JDBC argument types.
 * @author Juergen Hoeller
 */
class ArgTypePreparedStatementSetter implements PreparedStatementSetter, ParameterDisposer {
    private final Object[] args;
    private final int[]    argTypes;
    /**
     * Create a new ArgTypePreparedStatementSetter for the given arguments.
     * @param args the arguments to set
     * @param argTypes the corresponding SQL types of the arguments
     */
    public ArgTypePreparedStatementSetter(Object[] args, int[] argTypes) {
        if ((args != null && argTypes == null) || //
                (args == null && argTypes != null) || //
                (args != null && args.length != argTypes.length))
            throw new InvalidDataAccessException("args and argTypes parameters must match");
        this.args = args;
        this.argTypes = argTypes;
    }
    public void setValues(PreparedStatement ps) throws SQLException {
        int parameterPosition = 1;
        if (this.args != null) {
            for (int i = 0; i < this.args.length; i++) {
                Object arg = this.args[i];
                if (arg instanceof Collection && this.argTypes[i] != Types.ARRAY) {
                    Collection entries = (Collection) arg;
                    for (Object entry : entries) {
                        if (entry instanceof Object[]) {
                            Object[] valueArray = ((Object[]) entry);
                            for (int k = 0; k < valueArray.length; k++) {
                                Object argValue = valueArray[k];
                                doSetValue(ps, parameterPosition, this.argTypes[i], argValue);
                                parameterPosition++;
                            }
                        } else {
                            doSetValue(ps, parameterPosition, this.argTypes[i], entry);
                            parameterPosition++;
                        }
                    }
                } else {
                    doSetValue(ps, parameterPosition, this.argTypes[i], arg);
                    parameterPosition++;
                }
            }
        }
    }
    /**
     * Set the value for the prepared statement's specified parameter position using the passed in
     * value and type. This method can be overridden by sub-classes if needed.
     * @param ps the PreparedStatement
     * @param parameterPosition index of the parameter position
     * @param argType the argument type
     * @param argValue the argument value
     * @throws SQLException
     */
    protected void doSetValue(PreparedStatement ps, int parameterPosition, int argType, Object argValue) throws SQLException {
        StatementSetterUtils.setParameterValue(ps, parameterPosition, argType, argValue);
    }
    public void cleanupParameters() {
        StatementSetterUtils.cleanupParameters(this.args);
    }
}